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.044.- Patented Jan. 1, 1884.

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PATENT OFFICE.

JOHN owns, or MIDDLESBROUGH, IN THE-NORTH RIDING, COUNTY or vonxnnennnn.

APPARATUS FOR EQUALIZING THE TEMPERATURE OF STEEL INGOTS.

SPECIFICATION forming part of Letters talent Ne. 291,044, dated January 1, 1884.

Application filed March 23, 1883. No model.) Patented in France May 8, 1882, No. 148,829; in Germany May 9, 18852, No. 21,716; in Belgium May 12, 185:2, No. 57,891 in England J'nly'EZG. 1882, No. 3,545, and in Luxemburg October 30. 1883. No. 317.

To aZZ whom it 112,121.11 concern.-

Be it known that}I, J OHN GJERs, a subject of the'Que'en of Great Britain and Ireland, residing at Middlesbrough. in the North Riding of the county of York, Kingdom of GreatBritain and Ireland, have invented new and use ful Apparatus for Equalizing the Temperature of Steel Ingots, (for which, with other improvements, I have obtained a patent in Great Britain, N0. 3, 545, bearing date July 26, 1882,) of which the following is a specification.

In the specification of an application for Letters Patent of the United States filed by me the 18th day of April, 1882. is described and claimed a process of producing rolled or hammered steel without the'use of a reheating-furnace, which consists in treating the ingots singly on their way from the casting-pit to the rolls or hammers by first carrying each ingot from the mold and inserting it in a vertical position in one of a series of stationary upright soaking-pits. These vertical pits, as described in my aforesaid specification, werebuilt in a mass of brick-work or other refractory material of great and unusual thickness, each pit being separated from the others by a wall of refractory material, and each pit also cases where the rolling-mill is at a consider-- able distance from the castingpit.

In the accompanying drawings, which illustrate my invention, Figure 1 is a sectional elevation of a portable soaking pit or cell constructed and mounted according to my invention. Fig. 2 is a plan view of the same. Fig.

3 is a sectional elevation of a modified apparatus, in which more than one soaking-pit is represented; and Fig. 4 is a plan view of the apparatus shown in Fig. 3.

The ingot a is placed in avertical cell or pit formed in a mass of brick-work, b, or other suitable refractory material, which is inclosed at its sides and bottom within a strong metal box or casing, c. The cell inwhich the ingot is placed has a diameter only slightly greater than that of the ingot, so that as little space as possible is left at the sides of the ingot, and from this space the inclosed air is driven out by the gases arising from the heated ingots. The ingot rests on a bottom made of sand or some similar material which is a poor conductor of heat. The brick-work surrounding theingot is of considerable extent, so as to permit but little of the heat from the ingot to escape during the equalizing process, as is fully set forth in my application above referred to. As the brick-work expands on becoming heated, a space, f. of suitable extent, is left between the sides of the brick-work and its surrounding casing c, which is filled with some loose material which is a bad conductor of heat. This material, besides allowing for the expansion of the brick-work, assists in preventing the radiation and escape of heat from the brick-work. A cover, '0, practically airtight, is used to cover the pit.

To render this equalizing apparatus portable, so that when the casting-pit and rollingmill are a considerable distance apart the ingots may be transported at the same time that their temperature is being equalized, I mount it on a suitable truck. The axles of the wheels 45 t of this truck support strong girders h 71. Angle-pieces g g, entirely surrounding the metallic casing c and strengthening it, serve as means for mounting and supporting the equalizing apparatus. These angle-irons rest upon the girders h h, along the sides of the truck, and upon the cross-braces k k, extending between the girders h h. The cross-braces m m, also extending between the girders, besides strengthening the truck, serve also to prevent any lateral movement of the pit.

In the modification shown in Figs. 3 and 4 more than one vertical soaking-pit mounted on a single truck is used, and any number of pits may be so mounted, the only limit to the numberdepending on the portable feature of the apparatus.

The arrangement of the covers shown is similar to that described and claimed in my application No. 58,689, filed April 18, 1882, and forms no part of my present invention.

I do not herein claim the process of equalizing the temperature of steel ingots, such being the subject-matter of the applicationherein referred to; nor do I claim other features herein shown which have been made the subjects of separate applications filed by me to gether with this application; but

Vhat I do claim is r 1. A portable apparatus for equalizing the temperature of steel ingots, comprising a mass of brick-work or its equivalent, designed to act as an accumulator of heat, and having formed therein a vertical ingot-cell (or vertical ingotcells) with cover, and a strong metal box or casing, c, mounted on wheels and inclosing said brick-work, the whole so constructed and arranged that ingots may be inserted and allowed to soak, (with exclusion of air,) so as to arranged, and operating substantially as de scribed.

JOHN GJERS. \Vitnesses:

JOHN WALLIX, A 6001071176171 Ilfi Zion Street Jfe' ddlesbrouglz.

SANDERS R. TAWTON, Accountant, (/1111'071 Street, Jfidd/crbrough. 

